Motores de almacenamiento

InnoDB

Supports transactions, row-level locking, foreign keys and encryption for tables

[ Variables | Reserva de búfers | Estado del InnoDB ]

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2025-04-20 23:46:04 0x11ac INNODB MONITOR OUTPUT
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Per second averages calculated from the last 21 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 21354 srv_active, 0 srv_shutdown, 306092 srv_idle
srv_master_thread log flush and writes: 327446
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 649674
OS WAIT ARRAY INFO: signal count 176520
RW-shared spins 29883, rounds 894022, OS waits 28553
RW-excl spins 31, rounds 376, OS waits 8
RW-sx spins 1, rounds 1, OS waits 0
Spin rounds per wait: 29.92 RW-shared, 12.13 RW-excl, 1.00 RW-sx
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TRANSACTIONS
------------
Trx id counter 43991
Purge done for trx's n:o < 43991 undo n:o < 0 state: running
History list length 2
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 283120202301728, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283120202293392, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283120202297560, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
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FILE I/O
--------
I/O thread 0 state: native aio handle (insert buffer thread)
I/O thread 1 state: native aio handle (log thread)
I/O thread 2 state: native aio handle (read thread)
I/O thread 3 state: native aio handle (read thread)
I/O thread 4 state: native aio handle (read thread)
I/O thread 5 state: native aio handle (read thread)
I/O thread 6 state: native aio handle (write thread)
I/O thread 7 state: native aio handle (write thread)
I/O thread 8 state: native aio handle (write thread)
I/O thread 9 state: native aio handle (write thread)
Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] ,
 ibuf aio reads:, log i/o's:, sync i/o's:
Pending flushes (fsync) log: 0; buffer pool: 0
20342 OS file reads, 244982 OS file writes, 183521 OS fsyncs
0.19 reads/s, 16384 avg bytes/read, 1.76 writes/s, 1.38 fsyncs/s
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INSERT BUFFER AND ADAPTIVE HASH INDEX
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Ibuf: size 1, free list len 0, seg size 2, 0 merges
merged operations:
 insert 0, delete mark 0, delete 0
discarded operations:
 insert 0, delete mark 0, delete 0
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 0 buffer(s)
Hash table size 4441, node heap has 0 buffer(s)
Hash table size 4441, node heap has 0 buffer(s)
Hash table size 4441, node heap has 0 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
5.24 hash searches/s, 15.48 non-hash searches/s
---
LOG
---
Log sequence number 25017885
Log flushed up to   25017849
Pages flushed up to 25016812
Last checkpoint at  25016803
0 pending log flushes, 0 pending chkp writes
107730 log i/o's done, 0.81 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 100160
Buffer pool size   1003
Free buffers       742
Database pages     257
Old database pages 0
Modified db pages  3
Percent of dirty pages(LRU & free pages): 0.300
Max dirty pages percent: 75.000
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 0, not young 0
0.00 youngs/s, 0.00 non-youngs/s
Pages read 20299, created 821, written 109980
0.19 reads/s, 0.00 creates/s, 0.76 writes/s
Buffer pool hit rate 994 / 1000, young-making rate 0 / 1000 not 0 / 1000
Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s
LRU len: 257, unzip_LRU len: 0
I/O sum[30]:cur[1], unzip sum[0]:cur[0]
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ROW OPERATIONS
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0 queries inside InnoDB, 0 queries in queue
0 read views open inside InnoDB
Process ID=4260, Main thread ID=5344, state: sleeping
Number of rows inserted 261, updated 21133, deleted 30, read 558680
0.00 inserts/s, 0.24 updates/s, 0.00 deletes/s, 4.76 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 2831
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
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END OF INNODB MONITOR OUTPUT
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